Workpiece clamping device of gantry machining center

Abstract

The utility model discloses a gantry machining center workpiece clamping device, and relates to the field of workpiece clamping equipment, the gantry machining center workpiece clamping device comprises a supporting plate, a fixing frame is arranged at the top of the supporting plate, a sliding groove is formed in the fixing frame, a supporting block is arranged in the sliding groove in a sliding mode, and fixing plates are arranged on the two sides of the outer portion of the supporting block. A rotating frame is rotatably arranged at one end of the fixing frame, a cushion block used for containing a workpiece is arranged at the top of the supporting block, a through groove is formed in the supporting block, telescopic plates are slidably arranged in the through groove, a movable column is arranged at one end of each telescopic plate, and the telescopic plates on the two sides of the fixing frame are close to each other and drive a pressing plate to move through a transmission rod. The pressing plate extrudes and fixes the side wall of the workpiece, the movable column drives the rotating frame to rotate, the top of the workpiece is extruded and fixed through the fixing block on the rotating frame, when the workpieces of the same specification are clamped, the device does not need to be repeatedly adjusted, and the clamping device is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece clamping equipment field, specifically a gantry machining center workpiece clamping device. BACKGROUND

[0002] Gantry machining center refers to the spindle Z axle's axle line and the worktable vertical setting's machining center, the whole structure is by double column and roof beam constitute door type structure frame's large -scale machining center machine, double column middle also has crossbeam, especially suitable for processing large -scale workpiece and complex shape workpiece, worktable, bed, column, crossbeam and ram etc. big castings adopt cast iron or welding piece, and the castings inner chamber is honeycomb type composite arrangement structure, and the design is advanced, ensures the stability of workpiece machining precision and machine tool life.

[0003] When the gantry machining center carries out workpiece processing, needs to clamp and fix the workpiece, and the existing clamping equipment fixes the workpiece through the bolt, and the clamping operation is relatively inconvenient, cannot be applicable to the mass production of workpieces, influences the machining efficiency of workpieces, cannot guarantee the stability of workpieces in the machining process, leads to the positioning of workpieces not accurate, influences the processing quality of the follow -up. UTILITY MODEL CONTENTS

[0004] The utility model discloses a gantry machining center workpiece clamping device to solve the problem of the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A gantry machining center workpiece clamping device, including support plate, still including:

[0007] Rotary frame, the support plate top is provided with fixed frame, is seted up in the fixed frame sliding slot, the sliding slot inside sliding is provided with support block, the support block outside both sides are provided with fixed plate, the fixed plate one end rotation is provided with rotary frame, the support block top is provided with the cushion block for placing workpiece, the support block inside is seted up through groove, the through groove inside sliding is provided with telescopic plate, the telescopic plate one end is provided with movable column, the rotary frame is seted up transmission groove, the movable column is inserted into transmission groove inside and with sliding fit, the rotary frame top is provided with screw rod, and the screw rod one end is provided with fixed block;

[0008] Pressing plate, a plurality of telescopic plates are provided with transmission rod, the transmission rod is provided with mounting block, the mounting block is provided with fixed cylinder, the fixed cylinder inside is seted up guide groove, the guide groove inside sliding is provided with sliding block, the sliding block is provided with fixed pipe, and the fixed pipe one end is inserted into fixed cylinder and is provided with pressing plate, and the pressing plate is provided with antiskid groove;

[0009] The fixing mechanism is connected with the telescopic plates, and the workpiece is fixed by driving the telescopic plates to be close to each other.

[0010] On the basis of the above technical scheme, the utility model further provides the following optional technical schemes.

[0011] In an optional scheme, the fixing mechanism comprises a screw rod, a nut and a connecting block, the telescopic plate is externally provided with the connecting block, the connecting block is provided with the nut, the supporting block is provided with a fixed clamp, the fixed clamp is internally provided with a motor, the rotating end of the motor is provided with the screw rod, and the screw rod penetrates through the nut and is in threaded cooperation with the nut.

[0012] In an optional scheme, the side wall of the fixing cylinder is rotationally provided with a threaded rod, one end of the threaded rod penetrates into the interior of the fixing tube, the interior of the fixing tube is provided with a threaded groove matched with the threaded rod, and the other end of the threaded rod is provided with a handle.

[0013] In an optional scheme, one end of the fixing plate is provided with a rotating shaft, and the fixing plate is rotationally connected with the rotating frame through the rotating shaft.

[0014] In an optional scheme, the two ends of the transmission rod are provided with limit blocks, the bottom of the supporting plate is provided with a guide rail, and the top of the supporting plate is provided with a plurality of square grooves.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] The workpiece clamping device of the gantry machining center fixes the workpiece through the fixing block and the pressing plate, the telescopic plates located on the two sides of the fixing frame are close to each other, the telescopic plates drive the pressing plate to move through the transmission rod, the pressing plate extrudes and fixes the side wall of the workpiece, the movable column drives the rotating frame to rotate, the fixing block on the rotating frame extrudes and fixes the top of the workpiece, when the same specification workpiece is clamped, the clamping device is more convenient to use, and the machining precision and efficiency of the workpiece can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the workpiece clamping device of the gantry machining center.

[0018] Figure 2 It is a sectional view of the supporting block in the workpiece clamping device of the gantry machining center.

[0019] Figure 3 It is a structural schematic view of the rotating frame in the workpiece clamping device of the gantry machining center.

[0020] Figure 4 It is a structural schematic view of the fixing cylinder in the workpiece clamping device of the gantry machining center.

[0021] Marked notes: 1- support plate, 2- fixed frame, 201- sliding groove, 3- guide rail, 4- square groove, 5- support block, 501- through groove, 6- fixed plate, 7- rotating frame, 701- transmission groove, 8- expansion plate, 9- movable column, 10- transmission rod, 11- cushion block, 12- screw, 13- fixed block, 14- fixed clamp, 15- motor, 16- connecting block, 161- nut, 17- screw rod, 18- fixed cylinder, 181- guide groove, 19- sliding block, 20- fixed tube, 21- pressing plate, 211- anti-skid groove, 22- mounting block, 23- threaded rod, 24- handle, 25- rotating shaft, 26- limiting block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples; in the drawings or description, similar or same parts use the same reference signs, and in practical application, the shape, thickness or height of each component can be enlarged or reduced. The embodiments listed in the utility model are only used to illustrate the utility model, and are not used to limit the scope of the utility model. Any obvious modification or change made to the utility model does not deviate from the spirit and scope of the utility model.

[0023] In one embodiment, as shown in Figures 1-4 A gantry machining center workpiece clamping device, including support plate 1, further comprising:

[0024] Rotating frame 7, the support plate 1 is installed on the ram of the gantry machining center through the guide rail 3 at the bottom, the top of the support plate 1 is provided with the fixed frame 2, the fixed frame 2 is detachably arranged, can be removed from the support plate 1, the sliding groove 201 is opened on the fixed frame 2, the support block 5 is slidably arranged in the sliding groove 201, the support block 5 can slide along the fixed frame 2 and be fixed by bolts, can be adjusted according to the clamping position of the tool, the fixed plate 6 is fixedly arranged on both sides of the outer portion of the support block 5, the rotating frame 7 is rotatably arranged at one end of the fixed plate 6, the cushion block 11 for placing the workpiece is arranged on the top of the support block 5, the through groove 501 is opened in the support block 5, the expansion plate 8 is slidably arranged in the through groove 501, the movable column 9 is arranged at one end of the expansion plate 8, the transmission groove 701 is opened on the rotating frame 7, the movable column 9 penetrates into the transmission groove 701 and is in sliding cooperation with it, the screw rod 12 is arranged at the top end of the rotating frame 7, the fixed block 13 is arranged at one end of the screw rod 12, the initial position of the fixed block 13 can be adjusted by screwing the screw rod 12, the two sets of expansion plates 8 are close to each other, the expansion plate 8 drives the rotating frame 7 to rotate through the movable column 9, so that the screw rod 12 at the top end of the rotating frame 7 is rotated to the vertical position, and the workpiece below is fixed by extrusion through the fixed block 13;

[0025] The transmission rod 10 is fixedly arranged on the telescopic plate 8 in the middle section of the fixed frame 2, penetrates through the remaining telescopic plates 8 and is in sliding fit with the telescopic plates 8, a mounting block 22 is fixedly arranged on the transmission rod 10, a fixed cylinder 18 is fixedly arranged on the mounting block 22, a guide groove 181 is formed in the fixed cylinder 18, a sliding block 19 is slidably arranged in the guide groove 181, that is, the sliding block 19 can only slide horizontally along the guide groove 181, a fixed tube 20 is fixedly arranged on the sliding block 19, one end of the fixed tube 20 penetrates out of the fixed cylinder 18 and is provided with the pressing plate 21, and an anti-skid groove 211 is arranged on the pressing plate 21.

[0026] The fixing mechanism is connected with the telescopic plates 8 and can drive the telescopic plates 8 to move close to each other to press and fix the workpiece.

[0027] The workpiece clamping device of the gantry machining center drives the telescopic plates 8 to move close to each other through the fixing mechanism, drives the pressing plate 21 to move through the transmission rod 10, presses and fixes the side wall of the workpiece through the pressing plate 21, drives the rotating frame 7 to rotate through the movable column 9, presses and fixes the top of the workpiece through the fixing block 13 on the rotating frame 7, and when workpieces of the same specification are clamped, repeated adjustment of the device is not needed, and the device is more suitable for processing of a large number of workpieces. As an embodiment, the left-right and up-down positions of each component shown in the drawings are only one arrangement mode, and the specific positions are set according to specific needs.

[0028] In one embodiment, as shown in Figures 1-3 the fixing mechanism comprises a lead screw 17, a nut 161 and a connecting block 16, the connecting block 16 is fixedly arranged outside the telescopic plate 8, the nut 161 is arranged on the connecting block 16, a fixed clamp 14 is arranged on the supporting block 5, a motor 15 is arranged in the fixed clamp 14, the motor 15 is a double-shaft motor, a lead screw 17 is arranged at the rotating end of the motor 15, the lead screw 17 penetrates through the nut 161 and is in threaded fit with the nut 161, the motor 15 drives the lead screw 17 to rotate, and the lead screw 17 drives the telescopic plate 8 to slide horizontally.

[0029] In one embodiment, as shown in Figures 1-4 a threaded rod 23 is rotatably arranged on the side wall of the fixed cylinder 18, one end of the threaded rod 23 penetrates into the fixed tube 20, a threaded groove is formed in the fixed tube 20 and matches the threaded rod 23, a handle 24 is arranged at the other end of the threaded rod 23, the handle 24 drives the threaded rod 23 to rotate, the threaded rod 23 drives the fixed tube 20 to slide, and the fixed tube 20 drives the pressing plate 21 to move, so that the position of the pressing plate 21 can be adjusted.

[0030] In one embodiment, as shown in Figure 1As shown, the fixed plate 6 is provided with a rotating shaft 25 at one end, and the fixed plate 6 is rotatably connected with the rotating frame 7 through the rotating shaft 25.

[0031] In one embodiment, as shown in the drawings, Figure 1 As shown, the transmission rod 10 is provided with a limiting block 26 at both ends, the support plate 1 is provided with a guide rail 3 at the bottom, and a plurality of square grooves 4 are formed in the top of the support plate 1.

[0032] In the above embodiments of the utility model, the workpiece clamping device of the gantry machining center is used to place the workpiece to be machined on the cushion block 11, the motor 15 drives the screw rod 17 to rotate, the screw rod 17 drives the expansion plate 8 to slide horizontally, the expansion plates 8 on both sides of the fixed frame 2 are close to each other, the expansion plate 8 drives the pressing plate 21 to move through the transmission rod 10, the pressing plate 21 extrudes and fixes the side wall of the workpiece, when the expansion plate 8 cannot move, the screw rod 12 on the rotating frame 7 is screwed, the screw rod 12 drives the fixed block 13 to descend, so that the plurality of fixed blocks 13 are in contact with the outer surface of the workpiece, the workpiece can be fixed, after the workpiece is machined, the motor 15 is reversed, and the workpiece can be taken out, when the workpieces of the same specification are machined, the workpiece is only needed to be placed and the motor 15 is started, the top and side of the workpiece are fixed, the clamping of the workpiece can be quickly completed, and the utility model is more convenient to use.

[0033] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A gantry machining center workpiece clamping device comprising a support plate, characterized in that, Also include: The support plate top is provided with a fixed frame, the fixed frame is opened in the sliding groove, the sliding groove is slidably arranged in the support block, the support block is provided with a fixed plate on the both sides, the fixed plate is rotatably arranged with a rotating frame at one end, the support block is provided with a cushion block for placing workpieces on the top, the support block is provided with a through slot inside, the through slot is slidably arranged with a telescopic plate, the telescopic plate is provided with a movable column at one end, the rotating frame is opened in the transmission groove, the movable column penetrates into the transmission groove and is in sliding fit with it, the rotating frame is provided with a screw rod at the top end, the screw rod is provided with a fixed block at one end; The transmission rod is provided with a mounting block, the mounting block is provided with a fixed cylinder, the fixed cylinder is opened in the guide groove inside, the guide groove is slidably arranged with a sliding block inside, the sliding block is provided with a fixed tube, the fixed tube penetrates out of the fixed cylinder and is provided with a pressing plate at one end, the pressing plate is provided with an anti-skid groove; The fixed mechanism is connected with the telescopic plate, and the workpiece is fixed by driving the telescopic plate to approach each other.

2. The gantry machining center workpiece clamping device according to claim 1, characterized in that, The fixed mechanism includes a lead screw, a nut and a connecting block, the connecting block is provided on the outside of the telescopic plate, the connecting block is provided with a nut, the support block is provided with a fixed clamp, the fixed clamp is provided with a motor inside, the rotating end of the motor is provided with a lead screw, the lead screw penetrates through the nut and is in threaded fit with it.

3. The gantry machining center workpiece clamping device according to claim 1, characterized in that, The fixed cylinder side wall is rotatably provided with a threaded rod, the threaded rod penetrates into the fixed tube inside at one end, the fixed tube is opened in the threaded groove matched with the threaded rod inside, the other end of the threaded rod is provided with a handle.

4. The gantry machining center workpiece clamping device according to claim 3, characterized in that, The fixed plate is provided with a rotating shaft at one end, and the fixed plate is rotatably connected with the rotating frame through the rotating shaft.

5. The gantry machining center workpiece clamping device according to claim 1, characterized in that, The transmission rod is provided with a limiting block at both ends, the support plate is provided with a guide rail at the bottom, and a plurality of square grooves are opened in the top of the support plate.

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